DTC P0138

From: Michael Maskalans (dml@tepidcola.com)
Date: Mon Oct 25 2004 - 18:57:34 EDT


So I'm looking for a real description of this trouble code.... my FSM tells me:
"left bank downstream or downstream and pre-catalyst O2s shorted to voltage"

since I've got two O2 sensors, I'd assume they would be known as pre-catalyst and downstream. does this mean both O2s are bad or just the upstream? my gas milage **SUCKS** right now (unfortunately I have no baseline for post-SAS, so maybe it will just be that bad - that bad being just under 10.), so I'll be ordering a fore O2 shortly but I'd like to know if my downstream O2's "solution" is also being a problem.

TIA,

-- 
Mike Maskalans             <http://mike.tepidcola.com/dodge/>
'98 Dakota SLT CC, 318/46RE/231, D44/Sterling 10.25, 4.10s, 35s on Humvee rims
'84 RamCharger Royale SE, 360/727/208, stock, 3.21s, 32s



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